ATP-DT-9809-AC-Leakage-Current-Tester-ATP-DT-9809-P-This-3-frac 34-digit-AC-Leakage-Current-Tester-has-a-high-resolution-&-a-large-shield-transformer-jaw-which-eliminates-the-influence-of-other-current-conductors-&-minimises-the-effects-of-external-magnetic-fields-allowing-you-to-perform-accurate-&-reliable-measurements-in-crowded-electrical-environments-Ideal-for-many-applications-including-power-system-checks-&-installation-P-ATP-DT-9809-AC-Leakage-Current-Tester